| 汽车用低碳齿轮钢的LF-VD 脱氧工艺 |
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| 引用本文： | 肖爱平,李德胜,雷应华,颜学勇,陈君. 汽车用低碳齿轮钢的LF-VD 脱氧工艺[J]. 特殊钢, 2005, 26(4): 40-41 |
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| 作者姓名： | 肖爱平 李德胜 雷应华 颜学勇 陈君 |
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| 作者单位： | 大冶特殊钢股份有限公司，黄石435001 |
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| 摘 要： | 分析和研究了105炉SCM318H、SCM322H、SCM420KC、SCM822H、SCr420K等汽车用低碳齿轮钢的20tLFVD精炼终渣碱度、终Al含量和真空时间对钢中氧含量的影响。实践操作结果表明,采用白渣操作,控制终渣碱度不低于3,终Al含量≥0.22%、真空处理时间不低于25min,可使低碳齿轮钢的氧含量稳定地≤15×10-6,平均氧含量为11.58×10-6。
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| 关 键 词： | 低碳齿轮钢 LF-VD精炼 氧含量 脱氧工艺 |
| 收稿时间： | 2005-01-05 |
Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining |
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| Xiao Aiping,Li Desheng,Lei Yinghua,Yan Xueyong,Chen Jun. Deoxidation Process of Low Carbon Gear Steel for Auto in LF-VD Refining[J]. Special Steel, 2005, 26(4): 40-41 |
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| Authors: | Xiao Aiping Li Desheng Lei Yinghua Yan Xueyong Chen Jun |
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| Affiliation: | Daye Special Steel Corp Ltd,Huangshi435001 |
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| Abstract: | The effect of end slag basicity, end Al content and vacuum treatment time in 20t LF-VD refining on oxygen content in 105 heats gear steels SCM318H,SCM322H,SCM420K-C, SCM822H and SCr40K for auto has been analyzed and studied. The practice operation results showed that using white slag operation, controlling end slag basicity no less than 3,end Al content in steel ≥0.22%, vacuum treatment time ≥25 min, the oxygen content in low carbon gear steel was definite ≤15×10-6,the average oxygen content in steel was 11.58×10-6 |
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| Keywords: | Low Carbon Gear Steel LF-VD Refining Oxygen Content Deoxidation Process |
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